.page-contact {
  --pc-gap: clamp(18px, 3vw, 34px);
  --pc-dash: 1px dashed rgba(145, 161, 152, .35);
  --pc-soft: rgba(15, 42, 34, .72);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  margin: 0;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 216, 255, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .lead {
  max-width: 60ch;
  color: var(--pale);
  line-height: 1.8;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 46px) 0 clamp(38px, 6vw, 84px);
  background:
    linear-gradient(158deg, var(--moss) 0%, var(--ink-2) 44%, var(--ink) 100%);
  border-bottom: var(--edge);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .3;
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 22% 100%);
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 26, 21, .95) 0%, rgba(8, 26, 21, .55) 58%, rgba(8, 26, 21, .92) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 7vw, 58px);
  line-height: 1.08;
}

.page-contact .contact-hero__lead .lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
}

.page-contact .breadcrumbs {
  margin-bottom: 10px;
}

/* 联系渠道 */
.page-contact .channels {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 32px);
  scroll-margin-top: 90px;
}

.page-contact .channel {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 14px 16px 14px 18px;
  background: var(--pc-soft);
  border: var(--edge);
  border-left: 3px solid var(--lime);
}

.page-contact .channel--addr {
  border-left-color: var(--sand);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(15px, 2.6vw, 19px);
  font-weight: 700;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel__value--addr {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--pale);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* 右侧栏 */
.page-contact .contact-hero__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .reply-card {
  position: relative;
  padding: 18px 18px 16px;
  background: rgba(8, 26, 21, .82);
  border: var(--edge);
  border-top: 2px solid var(--lime);
  box-shadow: var(--shadow-paper);
}

.page-contact .reply-card__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .reply-card__time {
  margin: 6px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -.01em;
}

.page-contact .reply-card__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pale);
}

.page-contact .reply-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.page-contact .scope {
  padding: 16px 16px 6px;
  background: rgba(29, 59, 49, .38);
  border: var(--pc-dash);
}

.page-contact .scope__kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--sand);
}

.page-contact .scope-list {
  list-style: none;
  counter-reset: scope;
  margin: 0;
  padding: 0;
}

.page-contact .scope-item {
  counter-increment: scope;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  padding: 12px 0;
  border-bottom: var(--pc-dash);
}

.page-contact .scope-item:last-child {
  border-bottom: 0;
}

.page-contact .scope-item::before {
  content: "0" counter(scope);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sand);
  padding-top: 4px;
  letter-spacing: .05em;
}

.page-contact .scope-item__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0;
}

.page-contact .scope-item__desc {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-section {
  padding: clamp(34px, 5.5vw, 78px) 0;
  border-top: var(--edge);
}

.page-contact .contact-section .section__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-section .section-title {
  margin-top: 10px;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.16;
}

/* ---------- 来信准备 ---------- */
.page-contact .contact-prepare {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-prepare__media {
  margin: 0;
  padding: 8px;
  background: var(--ink-2);
  border: var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-prepare__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-contact .contact-prepare__media .media__caption {
  display: block;
  padding: 10px 4px 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .contact-prepare__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pale);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: var(--pc-dash);
}

.page-contact .prep-item::before {
  content: "✓";
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--lime);
}

.page-contact .prep-item__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prep-item__desc {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-prepare__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px;
  background: var(--ink-2);
  border: var(--edge);
  border-left: 3px solid var(--sand);
}

.page-contact .flow-step__no {
  font-size: 13px;
  color: var(--sand);
  letter-spacing: .1em;
  padding-top: 3px;
}

.page-contact .flow-step__body h3 {
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .flow-step__body p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .flow-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 服务时间与合规 ---------- */
.page-contact .contact-info {
  padding: clamp(30px, 5vw, 64px) 0;
  background: var(--ink-2);
  border-top: var(--edge);
}

.page-contact .contact-info__inner {
  display: grid;
  gap: 22px;
}

.page-contact .info-block {
  padding-top: 14px;
  border-top: 1px solid var(--sand);
}

.page-contact .info-block__big {
  margin: 8px 0 0;
  font-size: clamp(19px, 3.4vw, 26px);
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -.01em;
}

.page-contact .info-block__addr {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pale);
}

.page-contact .info-block__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .info-block__icp {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .channel--addr {
    grid-column: 1 / -1;
  }

  .page-contact .contact-info__inner {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: clamp(30px, 4vw, 56px);
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .channels {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .page-contact .channel--addr {
    grid-column: 1 / -1;
  }

  .page-contact .contact-prepare {
    grid-template-columns: 5fr 7fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
    gap: 16px;
  }

  .page-contact .flow-step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-contact .flow-step:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .flow-step:nth-child(3) {
    margin-top: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact a,
  .page-contact .channel {
    transition: none;
  }
}